This Center Section May Not Fit Your Housing
Please refer to housing clearance diagram

HD Pro Case
3.062″ bore – 31 or 33 spline
3.250″ bore – 35 or 40 spline
• Manufactured from 206-T4 heat treated aluminum
• 12% higher yield and 32% higher tensile strength compared to 356-T6
• Large oil channel provides optimal lubrication to pinion bearings
• Heavily reinforced tail bearing area
• Chrome moly studs encapsulated by billet aluminum main caps
• Solid adjuster nuts
• Accepts over-sized tail bearing for heavy loads and high RPM
• Fits 9″ & 9 1/2″ gear sets

N2322
• Forged aluminum tapered bearing pinion support
• Pinion seal retaining plate and snap ring
• Races installed
• Support bolts, washers, and O-ring

Lightweight Steel Spool
31, 33, or 35 spline – D1553 / D1554 / D1555

Pro Gear With 28 Spline Pinion
4.86-6.50 ratio

Chrome Moly Yoke & U-Bolts – U1603 / U1610
Designed for 1350 series U-joint

• Professionally Assembled
• Timken® Bearings & Races
• Grade 8 Ring Gear Bolts
• Ships in protective shipping container & HD cardboard box